Home / 90,079.63-124,322.22-51,838.38

Finding the Fourth Proportional to 90,079.63, 124,322.22 and 51,838.38

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Solution

The fourth proportional to 90,079.63, 124,322.22 and 51,838.38 is: 71,544.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,079.63 : 124,322.22 = 51,838.38 : x
  2. Step 2: Convert to fraction form
    90,079.63/124,322.22 = 51,838.38/x
  3. Step 3: Cross multiply
    90,079.63x = 124,322.22 × 51,838.38
  4. Step 4: Simplify right side
    90,079.63x = 6,444,662,482.80
  5. Step 5: Solve for x
    x = 6,444,662,482.80/90,079.63
  6. Step 6: Final answer
    x = 71,544.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.